Finding the Fourth Proportional to 374,312.36, 516,643.04 and 313,787.12
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Solution
The fourth proportional to 374,312.36, 516,643.04 and 313,787.12 is: 433,103.34
Step by Step Solution
- Step 1: Write the proportion equation
374,312.36 : 516,643.04 = 313,787.12 : x - Step 2: Convert to fraction form
374,312.36/516,643.04 = 313,787.12/x - Step 3: Cross multiply
374,312.36x = 516,643.04 × 313,787.12 - Step 4: Simplify right side
374,312.36x = 162,115,931,589.65 - Step 5: Solve for x
x = 162,115,931,589.65/374,312.36 - Step 6: Final answer
x = 433,103.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.